Refrigeration and Air Conditioning Air refrigeration operates on Carnot cycle Rankine’s cycle Brayton cycle Reversed Carnot cycle Carnot cycle Rankine’s cycle Brayton cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.5 0.25 1.25 0.8 0.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and dew point temperature, is called Dew point depression Dry bulb depression Degree of saturation Wet bulb depression Dew point depression Dry bulb depression Degree of saturation Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature. Higher than Same as Lower than None of the listed here Higher than Same as Lower than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Water temperature being high Dirty condenser surface All of these Lack of cooling water Water temperature being high Dirty condenser surface All of these Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the working substance receives heat, T₂ = Temperature of cooling water, and T₃ = Evaporator temperature) [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] ANSWER DOWNLOAD EXAMIANS APP
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